Improvement in journal-boxes for railroad-cars



s 'il beveledrsurfaces d of the inner plates UNITED]- STATES PATENT OFFICE.

4Jo'nuo..scorr, or ivnw venir, Y.

,IMPROVEMENT IN JOURNAL-BOXES FOP. RAILROAD-CARS.

Specification forming part of Letters Patent No. 42,881, dated May 24,- ll(4. y

To a/ZLwhom it'may concern,.-

Beit known that I, JOHN O. Scor'r, of the city, county, and State of N ew York, have invented a new and Improved J ournal-Box for4 Railroadar Axles and Shafting Generally; and I do hereby declare that the following is a full, clear, and exact description of the same, reference" being had .to the accompan yin g drawings, mak-ing a partI of this specification,

.in which- Figure 1 isa sectional view of my inven` tion, taken in the linep, Fig. 2; Fig. 2, a. sectional view ot' the same, takfn in the line y y, Fig. 1; Fig. 3, anenlarged sectional view of the same, taken in the same line as Fig. 1- viz., a: w, Fig. 2.

' Similar letters of reference indicate corre spendi-ng parts in vthe severaHignres:

To enable those skilled in the art to fully` understand and construct my invention, Isvili' `proceed to describe it.

A represents a car axle, and B one of-its journals. The journals have a groove or rc! ce'ss. a., made eircumferentially in them, ex-

- ttnding nearly their whole length, the ends of the grooves or;recesses being beveled, as

shown at -b`b in Figs. l and C represents' the boxes in which the journais B are tted and work or rotate. .lhese @boxes are provided with caps or plates D D',

. one'at each side, the inner plate, D, having. a circular hole, e, in it toallow the journals B to pass through, and also having an annular 'beveled surface, d, at its innerside, and concentric withthe holec. The outer plate, D,

closes the outer -sides of the boxes, and they have a circular recess, e, in their inner sides in linewith the holes c in the inner plates, D.

' The inner surface of the plates D also have an annularbeveled surface, e, concentric with the recess e, and of the same diameter as the E represents anti-friction-rollers, n fitted in the grooves or recesses a of the journais B,. and have their ends a of conical form,

so aste bear against the beveled ends b b of the grooves or recesses a. (SeeFigs. 1 and 3.) F represents rollers smaller in diameter y than E, and fitted between the latter, so-

,D- hich are' that there will be placed .alternately a large and small roller all around the journals. The

small rollers, F, are longer than the large f ones, E, the former extendingbeyond the ends'of 'the grooves or recesses a, and having their ends in contact with the beveled surface d e ofthe plates DiD, the ends b of the rollers F being of 4conical 'form to correspond to the beveled surfaces d e. The small rollers F arev not designed to sustain any of the weight of the truck or car, but'merely to keep the large rollers E in 4proper position, the latter at the-.top of Vthe journals having ythe boxes C restingupon them, at which pointA the small rollers F bear upon the journals 'B beyond the' ends of the grooves or recesses,

said 1'ollers,l asi-\vell as.` the large rollers, E, restin'gor' bearing upon the lower part of the boxes 'underneath .the journals. (See Fig. 2

In consequence of having the ends of the rollers of conical forni and to bearagainst beveled surfaces b b=d e, the ends of the rollers are preserved from wear. By this ar-l rangement it isbelieved that much friction is not only avoided, but the vuse of oil or other lubricating material is dispensed with., The

rollers,'in consequence,l of being placed free V vvithin the boxes `oredisconnected from e'ach other, are not liable to become disarranged in any way, as is the case with those which are fitted in rings or frames. t

' I am aware that rollers of alternate large andsm all diameter have been before invented,

but these have' been placedin rings or frames, and this I do not cla-im. `Such rings or frames necessarily increase the size of the box and also the expense, and prevent the ends of .therollers from being of useful service in reducing lateral friction. l Havingthus described my invention, I claim and desire to secure by Letters Patent- The employment of a'series of vloose `con- 

